we have all defensive means at our disposal. >> reporter: this morning iran test fired four missiles in the straight of harmoz. those exercises are being led by the -- you u.s. include other 30 other nations iran is threatening to shutdown the gulf entrance at the strait of hard-. it >> it -- it doesn't matter if it is imminent, expected, never, you want to be ready. >> reporter: the president says it is unacceptable because would it trigger an arms race in the persian gulf. t.j. winick, abc7 news. >>> governor brown signed a bill that gives some comfort to a burlingame family whose 19-year-old son died in a car crash after a night of drinking on a party bus. >> reporter: we are here at the home where the parents just spoke with assemblyman jerry hill. they've been working together for the past two years trying to push this legislation. you can say today is a feeling of victory, but bittersweet for the lives that will be saved in memory of 19-year-old brett studebaker. in the shadow of the tree house their son brett helped build doug and linda studebaker embrace and fight back tears.